YOU SAID:
The Germans sent multiple messages before and during the journey
INTO JAPANESE
ドイツ人は旅の前と途中で複数のメッセージを送った
BACK INTO ENGLISH
The Germans sent several messages before and during the trip
INTO JAPANESE
ドイツ人は旅の前と途中でいくつかのメッセージを送った
it is unlikely that this phrase will ever reach equilibrium